Scientific Thinking
Understanding Matter
Hands on Science
Fuuuuuuture (x2)
100
The conservation of mass is an example of this
What is a law of nature?
100
4000 mg of ice is melted. This is the mass of the water in grams
What is 4 grams?
100
The range of error on our electronic balances is plus or minus this value
What is .03g?
100
Separation by floatation in acid requires that substances differ in:
A. Solubility in water
B. Solubility in alcohol
C. Solubility in acid
D. Density
D. Density
200
These ideas are valid explanations of observed phenomena, but cannot be proven
What are theories?
200
A substance has a density of 8.12 X 10-5 g/ml ... You know it is this state of matter
What is a gas?
200
It is not necessary to take the base off of these to read volume with them
What are graduated cylinders?
200
The solubility of A at 10 degrees C is 1.11g/100cm3 - At 10 degrees you saturate 100cm3 with A, how much does it take?
A. 100g
B. 1.11g
C. 11.1 g
D. 100cm#
B. 1.11g
300
This is the value of this measurement converted to mm in standard notation. 8.88X102 cm
What is 8880 mm?
300
Mass is not one of these
What is a characteristic property?
300
You are expected to stay at this during your lab
What is your lab station?
300
Balanced
400
When measuring water, 100ml is the same as this measurement
What is 100cm3?
400
This can affect the density of a gas
What is pressure or elevation?
400
These objects must be placed in liquids when they are being boiled
What are boiling stones?
400
A ion of Uranium with 3 extra electrons has this charge
A. +3
B. -3
C. 0
D. 1
B -3
500
This is the answer you should give if asked to add 1.20 X 103 mg + 2.22 X 1033 cm
What is, it's not possible to add these values together, as they have different units
500
Cutler and Erica are running a lab in which they find the density of Nitrogen. They collect the same mass of gas. Cutler's sample has a volume of 5.4*10-4 ml. Erica's sample has a volume of 5.4*10-6 ml. This is true of the relationship between Cutler and Erica's elevation.
What is Cutler is at a higher elevation than Erica?
500
You can take off you goggles when this happens
Everyone has finished whatever activity required goggles.
500
An atom of Neon goes through Alpha Particle Decay twice - what element does it decay into?
A. Oxygen
B. Carbon
C. Fluoride
D. Manganese
B. Carbon